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The average age of 10 children is 9 years 9 months. The average of 9 children is 8 years 11 months. What is the age of the tenth child?

Asked Sep 07, 2023 Modified Sep 07, 2023 Viewed 0 times

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Mathematics

asked Sep 07, 2023 at 09:12

A

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17 years 3 months

answered Sep 07, 2023 at 09:12

A

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